User`s manual

1-6
Introduction
X6DH8-XG2/X6DHE-XG2 User's Manual
Motherboard Features
CPU
Single or dual Intel
®
604-pin Nocona
TM
(w/EM64T) processors at 800
MHz front side (system) bus speed. (*Notes: CPU FSB speed is set by
Manufacturer. Please do not change the FSB setting. Please refer to the support section of
our web site for a complete listing of supported processors (http://www.supermicro.com/
products/.)
Memory
Eight 240-pin DIMM sockets supporting up to 16 GB Registered ECC
DDR2-400 (PC3200) SDRAM
Notes: 1. Memory size is set via BIOS. 2. Interleaved memory; requires memory modules to be
installed in pairs. See Section 2-3 for details.
Chipset
Intel E7520 Lindenhurst chipset
Expansion Slots
X6DH8-XG2/X6DHE-XG2
One PCI-E slot (x8@4GB/sec)
Five 64-bit PCI-X slots (*Three PCI-X-133 slots, One PCI-X-100 slot, One
PCI-X-100 w/ZCR suport)
BIOS
8 Mb Phoenix
®
Flash ROM
DMI 2.1, PCI 2.2, ACPI 2.0, Plug and Play (PnP), SMBIOS 2.3
PC Health Monitoring
Onboard voltage monitors for CPU cores, chipset voltage, 3.3V, +5V,
+12V and 3.3V standby
Fan status monitor with firmware/software on/off control
CPU/chassis temperature monitors
Environmental temperature monitor and control
CPU fan auto-off in sleep mode (S1 is not supported.)
CPU slow-down on temperature overheat
CPU thermal trip support for processor protection, +5V standby alert
LED
Power-up mode control for recovery from AC power loss